Select the correct enthalpy at corresponding temperature using following datas (i) Heat capacity of solid from 0K to normal melting point 200K `C_(p.m)(s)=0.035T" "JK^(-1)"mol"^(-1)` `(ii)` Enthalpy of fusion `=7.5 KJ"mol"^(-1)` `(iii)` Enthalpy of vaporisation `=30KJ "mol"^(-1)` `(iv)` Heat capacity of liquid form 200K to normal boiling point 300K `C_(p.m)(l)=60+0.016T " "JK^(-1)"mol"^(-1)` `(v)` Heat capacity of gas from 300 K to 600 K at 1 atm `C_(p.m)(g)=50.0" " JK^(-1)"mol"^(-1)`A. `S_(200(s))`=7B. `S_(300(l))`=70.43C. `S_(300(g))=170.43`D. `S_(600(g)) = 205.09`

Select the correct enthalpy at corresponding temperature using followi

1.	Select the correct enthalpy at corresponding temperature using following datas (i) Heat capacity of solid from 0K to normal melting point 200K `C_(p.m)(s)=0.035T" "JK^(-1)"mol"^(-1)` `(ii)` Enthalpy of fusion `=7.5 KJ"mol"^(-1)` `(iii)` Enthalpy of vaporisation `=30KJ "mol"^(-1)` `(iv)` Heat capacity of liquid form 200K to normal boiling point 300K `C_(p.m)(l)=60+0.016T " "JK^(-1)"mol"^(-1)` `(v)` Heat capacity of gas from 300 K to 600 K at 1 atm `C_(p.m)(g)=50.0" " JK^(-1)"mol"^(-1)`A. `S_(200(s))`=7B. `S_(300(l))`=70.43C. `S_(300(g))=170.43`D. `S_(600(g)) = 205.09`
Answer» Correct Answer - A::B::C::D `S_(200(0)) = underset(0)overset(200)int (C_(p) dT)/(T) =7 J"mol"^(-1)K^(-1)` `S_(200(f))=7 + (7500)/(200) =44.5 J "mol"^(-1)K^(-1)` `S_(300(f)) = 44.5 + underset(200)overset(300)int (C_(p) dT)/(T)=44.5 + 60 "In" (300)/(200) + 1.6= 70.43 J "mol"^(-1)K^(-1)` `S_(300(g)) = 70.43 + (30000)/(300) = 170.43 J "mol"^(-1) K^(-1)` `S_(800(g)) = 170.43 "In" 50 "In" (600)/(300)=205.09 JK^(-1)"mol"^(-1)`

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